New York, NY – August 27, 2025 – The Chemists’ Club is proud to announce that Joseph Martinko, President of Thermal & Specialized Solutions at The Chemours Company, has been awarded the 2025 Winthrop-Sears Medal. The award recognizes Martinko and his team for their vision, innovation, and entrepreneurial leadership in advancing sustainable thermal management technologies, most notably through the commercialization of the Opteon™ portfolio of low global warming potential refrigerants and solutions that are now used across industries worldwide.
“Joe and his team have been instrumental in positioning Chemours as a global leader in sustainable refrigerants and thermal management solutions,” said Dr. Roland Stefandl, President of The Chemists’ Club. “Their commitment to innovation, environmental responsibility, and customer-focused growth exemplifies the spirit of the Winthrop-Sears Medal.”
Martinko has more than 30 years of experience in the chemical industry, including over 20 years in Chemours’ former fluoroproduct business. Under his leadership, the Thermal & Specialized Solutions team has expanded the Opteon™ portfolio, bringing forward low GWP solutions that support decarbonization across diverse applications such as air conditioning, heat pumps, food storage, medical devices, data centers, and transportation. Their achievements include navigating complex regulatory environments, accelerating research and development, and forging key partnerships that advance the role of chemistry in improving lives.
“I am honored to receive this recognition from The Chemists’ Club on behalf of the entire Opteon™ team,” said Joseph Martinko. “At Chemours, we believe in putting our customers first, working together as one team, and doing what is right for people and the planet. This award reflects those values and the dedication of our team to delivering solutions that make a real difference.”
Martinko will be honored at The Chemists’ Club’s annual Egg Nog Dinner, taking place on December 11 at the New York Players Club. Established in 1970, the Winthrop-Sears Medal is presented each year to individuals whose achievements have significantly strengthened the chemical industry and contributed to the betterment of society.
The award is named after two of America’s earliest chemical entrepreneurs, John Winthrop, Jr. and John Sears. It honors individuals who have demonstrated entrepreneurial excellence in the chemical industry. Past recipients include Linda Rendle of Clorox, Heinz Haller of Dow, William Wulfsohn of Ashland, and Mario Nappa of Chemours.
Founded in 1898, The Chemists’ Club is a non-profit organization dedicated to advancing the chemical sciences. Its members include professionals and students from across the chemical industry. The Club hosts programs that foster career development, networking, and scientific exchange. Learn more at www.thechemistsclub.org.